single 19th century original salvaged chicago cast brass vestibule doorknob and matching backplate

all original hard to find ornamental cast brass drum-shaped doorknob and matching entrance door backplate designed and fabricated by the norwich lock mfg. co., norwich, ct. the vestibule door residential hardware contains a distinctive chevron design or pattern. the c. 1880's entrance door hardware is comprised of cast brass with a mostly uniform surface patina. two identical knob and backplate sets available. priced individually.